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| 配方类型： |
INKS AND MARKING COMPOUNDS |
| 配方说明： |
Ball-Point Pen Ink |
| 配方组成： |
Oil-Soluble Dye (Calco Oil blue N or "Phenoform" Bo. Conc.)/5
Castor Oil/93
Aluminum sterate/2 |
| 配制方法： |
The aluminum stearate is dissolved in the castor oil by heating only to cause the stearate to pass into solution. The blue dye is then added, making certain that all of the dye is dissolved or the composition may be filtered through a fine screen. |
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